<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>Returns all IMAP alert messages that have occurred</title>
 </head>
 <body class="docs"><div id="layout">
  <div id="layout-content"><div id="function.imap-alerts" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">imap_alerts</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">imap_alerts</span> &mdash; <span class="dc-title">Returns all IMAP alert messages that have occurred</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.imap-alerts-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>imap_alerts</strong></span>
    ( <span class="methodparam">void</span>
   ) : <span class="type">array</span></div>

  <p class="para rdfs-comment">
   Returns all of the <acronym title="Internet Message Access Protocol">IMAP</acronym> alert messages generated since the last
   <span class="function"><strong>imap_alerts()</strong></span> call, or the beginning of the page. 
  </p>
  <p class="para">
   When <span class="function"><strong>imap_alerts()</strong></span> is called, the alert stack is
   subsequently cleared. The <acronym title="Internet Message Access Protocol">IMAP</acronym> specification requires that these messages
   be passed to the user.
  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.imap-alerts-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns an array of all of the IMAP alert messages generated or <strong><code>FALSE</code></strong> if
   no alert messages are available.
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.imap-alerts-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="imap_errors.html" class="function" rel="rdfs-seeAlso">imap_errors()</a> - Returns all of the IMAP errors that have occurred</span></li>
   </ul>
  </p>
 </div>

</div></div></div></body></html>